* {
    margin: 0;
    padding: 0;
}

body {
    width: 100%;
    color: #747474;
    line-height: 2.27;
}

a {
    text-decoration: none;
    color: #747474;
}

#air {
    width: 100%;
    height: 130px;
}

// 导航栏模块
.nav {
    width: 100%;
    height: 800px;
    background: url('../img/info-bg.jpg') no-repeat;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;

    .nav_text {
        color: #ffffff;
        text-align: center;
        letter-spacing: 2px;
        display: flex;
        flex-direction: column;

        :nth-child(1) {
            font-size: 80px;
            line-height: 94px;
            font-weight: 700;
        }

        :nth-child(2) {
            margin-top: 20px;
            font-size: 34px;
            line-height: 34px;
            font-weight: 400;
        }
    }
}

// 第一部分
.section-01 {
    padding: 55.281px 30px 36.859px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;

    .container {
        margin: 40px auto;
        width: 819px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;

        .above {
            :nth-child(1) {
                margin-bottom: 30px;
            }

            :nth-child(2) {
                margin-bottom: 25px;
                height: 24px;

                :hover {
                    color: #ff6600
                }

                a {
                    color: #333333;
                    font-size: 24px;
                    font-weight: 400;
                }
            }

            :nth-child(3) {
                font-size: 15px;
                margin-bottom: 20px;
            }
        }

        .under {
            margin-top: 20px;
            padding: 5px 0;
            font-size: 12px;
            border-top: 1px solid #e7e6e6;
            border-bottom: 1px solid #e7e6e6;
            display: flex;
            justify-content: space-between;

            .left {
                span {
                    margin-right: 3px;

                    :hover {
                        color: #ff6600;
                    }
                }

            }

            .right {
                :hover {
                    color: #ff6600;

                }
            }
        }

    }
}